test: add no hit dynamic columns with match_columns without error

This test case checks whether match_columns with empty records of
dynamic columns (price_with_tax) in initial stage doesn't cause an
error.

test/command/suite/sharding/logical_select/columns/stage/initial/no_hit/match_columns.expected

@@ -0,0 +1,47 @@
+plugin_register sharding
+[[0,0.0,0.0],true]
+table_create Logs_20170315 TABLE_NO_KEY
+[[0,0.0,0.0],true]
+column_create Logs_20170315 timestamp COLUMN_SCALAR Time
+[[0,0.0,0.0],true]
+column_create Logs_20170315 price COLUMN_SCALAR UInt32
+[[0,0.0,0.0],true]
+load --table Logs_20170315
+[
+{"timestamp": "2017/03/15 00:00:00", "price": 1000},
+{"timestamp": "2017/03/15 01:00:00", "price":  900}
+]
+[[0,0.0,0.0],2]
+logical_select Logs   --shard_key timestamp   --columns[price_with_tax].stage initial   --columns[price_with_tax].type UInt32   --columns[price_with_tax].flags COLUMN_SCALAR   --columns[price_with_tax].value "price * 1.08"   --min "2017/04/01 00:00:00"   --match_columns price_with_tax
+[
+  [
+    0,
+    0.0,
+    0.0
+  ],
+  [
+    [
+      [
+        0
+      ],
+      [
+        [
+          "_id",
+          "UInt32"
+        ],
+        [
+          "price_with_tax",
+          "UInt32"
+        ],
+        [
+          "price",
+          "UInt32"
+        ],
+        [
+          "timestamp",
+          "Time"
+        ]
+      ]
+    ]
+  ]
+]

test/command/suite/sharding/logical_select/columns/stage/initial/no_hit/match_columns.test

@@ -0,0 +1,22 @@
+#@on-error omit
+plugin_register sharding
+#@on-error default
+
+table_create Logs_20170315 TABLE_NO_KEY
+column_create Logs_20170315 timestamp COLUMN_SCALAR Time
+column_create Logs_20170315 price COLUMN_SCALAR UInt32
+
+load --table Logs_20170315
+[
+{"timestamp": "2017/03/15 00:00:00", "price": 1000},
+{"timestamp": "2017/03/15 01:00:00", "price":  900}
+]
+
+logical_select Logs \
+  --shard_key timestamp \
+  --columns[price_with_tax].stage initial \
+  --columns[price_with_tax].type UInt32 \
+  --columns[price_with_tax].flags COLUMN_SCALAR \
+  --columns[price_with_tax].value "price * 1.08" \
+  --min "2017/04/01 00:00:00" \
+  --match_columns price_with_tax